Home / 8,091.56-12,137.32-2,545.39

Finding the Fourth Proportional to 8,091.56, 12,137.32 and 2,545.39

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Solution

The fourth proportional to 8,091.56, 12,137.32 and 2,545.39 is: 3,818.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.56 : 12,137.32 = 2,545.39 : x
  2. Step 2: Convert to fraction form
    8,091.56/12,137.32 = 2,545.39/x
  3. Step 3: Cross multiply
    8,091.56x = 12,137.32 × 2,545.39
  4. Step 4: Simplify right side
    8,091.56x = 30,894,212.95
  5. Step 5: Solve for x
    x = 30,894,212.95/8,091.56
  6. Step 6: Final answer
    x = 3,818.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.